Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is another front view thereof, with different environment of use.

The outer perimeter shown in evenly-spaced dashed broken line in the figure depicts a display screen or portion thereof and forms no part of the claimed design. The remaining evenly-spaced dashed broken lines in the figure depict portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 